package cn.tdu.boot24.controller;

import cn.tdu.boot24.entity.Product;
import cn.tdu.boot24.mapper.ProductMapper;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import java.util.List;

@RestController
public class ProductController {
    @Autowired
    ProductMapper mapper;

    @RequestMapping("/insert")
    public String insert (Product product){
        mapper.insert(product);
        return "已添加<a href='/'>返回首页</a>";
    }
    @RequestMapping("/select")
    public String select (Product product){
        List<Product> list=mapper.select();
        String html = "<table border=1>";
        html+="<caption>商品列表</caption>";
        html+="<tr><th>标题</th><th>价格</th><th>销量</th></tr>";
        //把商品数据装进表格标签里面
        for (Product p: list) {
            html+="<tr>";
            html+="<td>"+p.getTitle()+"</td>";
            html+="<td>"+p.getPrice()+"</td>";
            html+="<td>"+p.getSaleCount()+"</td>";
            html+="<td><a href='/delete?id="+p.getId()+"'>删除</a></td>";
            html+="</tr>";
        }
        html+="</table>";
        return html ;
    }

    @RequestMapping("/delete")
    public String delete(int id){
        System.out.println("id="+id);
        mapper.delete(id);
        return "已删除<a href='/select'>返回</a>";
    }

    @RequestMapping("/update")
    public String update(Product product){
        mapper.update(product);
        return "已修改已删除<a href='/select'>返回</a>";
    }

}
